| article html file updated | 9 February 2020 06:06 CET | Update | https://www.mdpi.com/2310-2861/4/1/17 |
| article html file updated | 30 September 2019 16:11 CEST | Update | - |
| article html file updated | 1 May 2019 19:38 CEST | Update | - |
| article html file updated | 17 April 2019 18:47 CEST | Update | - |
| article html file updated | 28 March 2019 22:12 CET | Update | - |
| article html file updated | 9 February 2018 17:37 CET | Original file | - |
| article xml uploaded. | 9 February 2018 17:36 CET | Update | https://www.mdpi.com/2310-2861/4/1/17/xml |
| article xml uploaded. | 9 February 2018 17:36 CET | Original file | - |
| article pdf uploaded. | 9 February 2018 17:36 CET | Version of Record | https://www.mdpi.com/2310-2861/4/1/17/pdf |
